body {
	background-color: #dfdfdf;
}
.bk {
	width: 1000px;
	height: 500px;
	background-color: #fff;
	margin: 10% auto;
}
.left-bk {
	width: 450px;
	height: 500px;
	float: left;
}
.tp {
	width: 450px;
	height: 500px;
}
.right-bk {
	width: 550px;
	height: 500px;
	float: right;
}
.right-top-bk {
	width: 500px;
	height: 100px;
	margin: 0 auto;
	text-align: center;
	line-height: 100px;
	font-size: 30px;
}
.ewm-bk{
	width: 100px;
	height: 100px;
	float: right;
	position: relative;
	top: 0px;
	left: 25px;
}
.ewm{
	width: 100px;
	height: 100px;
}
.center-bk{
	width: 300px;
	height: 300px;
	margin: 0 auto;
}
.tp2{
	width: 300px;
	height: 300px;
}